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Castrol Edge 5w-50
My apologies for starting another oil thread......
Can anyone tell me if Castrol Edge 5w-50 is approved for our Boxsters? Since Porsche is now recommending their new classic oil I thought that I would switch from Castrol Edge 5w-40 to 5W-50.
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1999 Boxster, Ocean Blue Metallic-grey top.
LN IMS dual row-, Ben's short shift kit
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